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Remember, the "easy tier functionality" in the POWER8 is done with the internal 1.8 inch SSDs that go into those special slots, they aren't part of the "regular" 18 internal disks.

--
Pete Massiello
iTech Solutions
http://www.itechsol.com
http://www.iInTheCloud.com





-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Roberto José Etcheverry Romero
Sent: Thursday, January 01, 2015 1:58 PM
To: Midrange Systems Technical Discussion
Subject: Re: P7 740 E6C EXP24S mode 1, disk upgrade options

Maybe i'll remember to not read redbooks while feverish. 822 does not run IBM i so of course it's not mentioned, but i went to the 814/824 redbook and the following appears:
To support Easy Tier, make sure that the server is running at least the following minimum
levels:
VIOS 2.2.3.3 with interim fix IV56366 or later AIX 7.1 TL3 SP3 or later AIX 6.1 TL9 SP3 or later RHEL 6.5 or later SLES 11 SP3 or later IBM i supports Easy Tier only through VIOS.

So it's confirmed. EasyTier for IBM i only thru VIOS and only on select controllers for Power8 systems.

On Thu, Jan 1, 2015 at 3:48 PM, Roberto José Etcheverry Romero < yggdrasil.raiker@xxxxxxxxx> wrote:

As an additional note. Not only is the EJ0P controller for the Power8
machines but the 822 redbook says this:
...
The IBM Easy Tier function is provided with the dual IOA. This
function is implemented within the integrated Power Systems SAS c
ontrollers, the integr ated SAS bays, and, optionally, in an EXP24S
I/O drawer. Hot data is automatically moved to an SSD, and cold data
is automatically moved to an HDD in an AIX, Linux, or Virtual I/O Server (VIOS) environment.
...

Which would mean no EasyTier on native IBM i (or did they forget about
i again?). But since they worked out the bugs in
VIOS-file-backed-storage, maybe it'll be worth it to use VIOS only for that feature?

On Thu, Jan 1, 2015 at 2:52 PM, Pete Massiello - ML <
pmassiello-ml@xxxxxxxxxxxx> wrote:

The EJ0P is for Power8, and is the enhanced backplane with as you say
and has a pair of high performance disk controllers and support up to
18 internal disk drives. The EJ0Z feature code is a card that plugs
into a PCIe Gen3 slot and extends the internal disk controllers to
support additional disks in a 5887.

You could do your own easy tier, by putting in SSDs and hard drives,
but that isn't really easy tier.

Pete

--
Pete Massiello
iTech Solutions
http://www.itechsol.com
http://www.iInTheCloud.com





-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf
Of Graap, Kenneth
Sent: Wednesday, December 31, 2014 6:28 PM
To: Midrange Systems Technical Discussion
Subject: RE: P7 740 E6C EXP24S mode 1, disk upgrade options

Sue, I ran across this information the other day:

The feature EJ0P storage backplane option has expanded function
compared the feature EJ0N backplane. Feature EJ0P provides eighteen
SSF-3 bays; a pair of integrated SAS controllers, each with 1.8 GB
physical (effectively up to 7.2 GB with compression) write cache; a
DVD bay; two SAS ports enabled for attaching an external EXP24S Disk
Drawer (#5887); and Easy Tier functionality. The SAS ports are
indicated by the EJ0Z feature and must be ordered with feature EJ0P.
The SAS ports are physically mounted on the rear of the server and use up one PCIe x8 slot.

Does this mean that I can implement Easy Tier on my Power7 (8202)
internal disk drives?


Reply or Forwarded mail from: Kenneth E Graap


-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf
Of Sue Baker
Sent: Monday, December 29, 2014 6:45 AM


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